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. 2020 Apr 7;19:85. doi: 10.1186/s12934-020-01339-8

Fig. 3.

Fig. 3

Time-course analysis of β-lactamase production. a An illustration of the experimental workflow used. b At each time point, a volume of cells was extracted, then separated by SDS-PAGE and immuno-blotted with antisera to β-lactamase. Band intensities were obtained from immuno-blots by densitometric analysis and normalised to the highest-value